1,DC 5V solt:Use the standard Micro USB V8 charging cable for power charging
2,TF solt:it can decode and play MP3 format audio when put TF card into the slot
3,USB slot:It can decode and play MP3 format audio when put the USB card into the slot
4,AUX line in slot:Use the mini 3.5 head input through outside devices
5,When play music,Press short for last song,long press to turn down the volume
6,When play music,press short for next song,long press to turn up the volume
7,When play music(USB card/TF card/BT/line in),short press to switch model
8,Power switch:Press long for power on/power off.In FM mode,press short to search station
automatically,press again to stop searching.Under BT mode with mobile paired,when call coming,press
short to answer a call hands-free,press again to hand up,press twice to ring up a call
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